Three new alkaloids from the fruits of Morus alba

Abstract

From the fruits of Morus alba, three new alkaloids, mulbaines A (1), B (2), and C (3) were isolated. The structures of these compounds were elucidated on the basis of spectroscopic methods (UV, IR, HR-ESI-MS, 1D, and 2D NMR).

Keywords::

• Moraceae
• Morus alba
• mulbaine A
• mulbaine B
• mulbaine C

Acknowledgements

This work was supported by grants from the National Science and Technology Major Project (No. 2012ZX09301002001003 and No. 2012ZX09103201_043).